Home / 51,067.83-70,469.49-28,405.02

Finding the Fourth Proportional to 51,067.83, 70,469.49 and 28,405.02

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Solution

The fourth proportional to 51,067.83, 70,469.49 and 28,405.02 is: 39,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,067.83 : 70,469.49 = 28,405.02 : x
  2. Step 2: Convert to fraction form
    51,067.83/70,469.49 = 28,405.02/x
  3. Step 3: Cross multiply
    51,067.83x = 70,469.49 × 28,405.02
  4. Step 4: Simplify right side
    51,067.83x = 2,001,687,272.84
  5. Step 5: Solve for x
    x = 2,001,687,272.84/51,067.83
  6. Step 6: Final answer
    x = 39,196.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.